IT Knowledgebase Articles

Datacenter networking servers

How to Add a Domain Controller to an Existing Domain (PowerShell)

Last Update: Jan 22, 2026

How do you add a new domain controller (DC) to your existing Active Directory (AD) domain? In this post, I will show you how to quickly add a new DC to AD. This article applies to: Windows Server 2025, Windows Server 2019, Windows Server 2022, and Windows Server 2016 Check the domain and forest functional…

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Datacenter networking servers

How to Add a New Forest to Active Directory (Server Manager)

In this guide, I’ll show you how to add a new forest to your existing Active Directory environment. There may be compliance or security requirements dictating you add a new forest. This article applies to: Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. However, just a note, you can add…

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Add a Child Domain to an Existing Forest (Server Manager)

In this guide I’ll show you how to add a child domain to an existing forest. If you have, for example, contoso.com as your single Active Directory forest domain, you may want to add some logical separation. You can add a child domain, corp.contoso.com, to your forest during the DC promotion wizard. This article applies…

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PowerShell

Mastering the PowerShell Trim Method

Last Update: Nov 18, 2024

This guide explores the PowerShell Trim methods in detail, with real-world examples and practical tips on how to use each method effectively in PowerShell scripts. Effective string handling in PowerShell is a cornerstone of clean, efficient scripting, especially when handling user input, log data, or file paths. In PowerShell scripting, precision in string manipulation is vital for cross-platform efficiency, making methods like Trim, TrimStart, and TrimEnd indispensable tools for…

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Workplace Ninjas UK 2025: Unlocking the Future with Microsoft 365, Advanced Endpoint Management, and AI-Powered Security

Workplace Ninjas UK 2025, scheduled for June 16-17, 2025, at the Edinburgh International Conference Centre (EICC) in Edinburgh, Scotland, is a conference tailored for IT Pros and security experts seeking to deepen their knowledge across Microsoft 365, Intune, ConfigMgr, Microsoft Defender, and the revolutionary AI-powered Microsoft 365 Copilot. This two-day event presents a robust lineup…

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Windows 11 2022 Update

Windows Protected Print Mode – Secure Printing in Windows

This article explores Windows Protected Print Mode (PPM) in Windows 10 and Windows 11. It’s a security feature that safeguards sensitive print jobs in Windows. I will delve into the purpose of Windows PPM, functionality, and benefits, focusing on its implementation, advanced security measures, and practical troubleshooting techniques to ensure secure and reliable printing. Windows…

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5 Key Benefits of Migrating to Azure

At Petri.com, we are very familiar with the Azure infrastructure and setup and can offer insights and experience to help organizations make the most of this enterprise-grade cloud environment. As such, we felt it prudent to explore the key benefits of migrating to Azure, the processes involved, and the challenges you, as a system or IT…

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Network Security

5 Benefits of the Internet Printing Protocol and Its Implementation in Windows

Last Update: Mar 25, 2025

This article delves into the Internet Printing Protocol (IPP) and its implementation in Microsoft Windows. We’ll explore what it is, the fundamental concepts, functionality, advancements in Windows 11, and essential troubleshooting techniques. It aims to offer you a comprehensive understanding of IPP. Introduction to Internet Printing Protocol (IPP) Microsoft announced support for the Internet Printing…

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Enhancing Security with Microsoft Entra Token Theft Protection

This article explores how Microsoft Entra’s new token theft protection policy can provide robust protection against token theft. By leveraging a new Conditional Access policy, organizations can safeguard their digital identities and sensitive data from cyberthreats. Securing your IT landscape is increasingly becoming critical. With cyberthreats on the rise, and showing no signs of slowing…

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Datacenter networking servers

How to Check FSMO Roles in Active Directory

Last Update: May 05, 2025

In this article, I’m going to show you how to check  FSMO roles and which domain controllers (DC) hold the FSMO roles in Active Directory (AD). FSMO roles are assigned to specific domain controllers and are designed to prevent conflicts once data is replicated. You can also quickly transfer FSMO and seize FSMO roles using…

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